Hastelloy C22 Pipe is a high-performance nickel-based alloy pipe renowned for strength and corrosion resistance in demanding situations. Midland Alloys is a leading nickel alloy C22 seamless pipe supplier, manufactured using modern hot finishing, cold drawing, and welding methods to ensure longevity and precision. Hastelloy C22 is a nickel-chromium-molybdenum alloy that also contains iron, cobalt, phosphorus, carbon, silicon, manganese, and sulfur, making it highly resistant to oxidizing and reducing media. Every pipe is manufactured in line with ASTM B 622 ASME SB 622 and ASTM B 619 ASME SB 619 standards, ensuring reliability for global clients. We offer a wide range of Hastelloy C22 pipe sizes, from 15″NB up to 150″NB IN, specializing in large diameter sizes. Available in ERW, Seamless, Welded, LSAW, and Fabricated forms. These pipes are supplied in hydraulic, round, and other forms under Schedule 5, 10, 40, STD, 80, and 160. With decades of experience and strong supply capabilities, we deliver alloy C22 hot finished pipe solutions for demanding industries.
Hastelloy C22 Seamless Pipe

Benefits of Hastelloy Alloy C22 Cold Drawn Pipe

Alloy C22 Cold Drawn Pipes provide higher strength and better dimensional accuracy. They are trusted for use in critical operations.
  • Excellent resistance to crevice corrosion in confined zones.
  • Alloy C22 Nickel Pipe have smooth surface finish which improve flow efficiency.
  • Higher tensile strength supports high-pressure systems.
  • Greater dimensional accuracy with tight tolerances.
  • WNR 2.4602 Seamless Pipe have lower thermal expansion which enhances stability in heat cycles.
  • Long service life reduces replacement needs.
Specification Hastelloy C22 Pipe

Uses of Alloy C22 Nickel Pipe

Alloy C22 Nickel Pipe is used in chemical processing to transport hostile fluids through reactors and heat exchangers. In marine conditions, it works effectively in seawater systems, ballast pipelines, and offshore platforms. The pharmaceutical industry uses WNR 2.4602 Seamless Pipe for clean processing lines where purity is vital. In power plants, these pipes transport high-temperature fluids and resist stress cracking. Oil and gas facilities use them for sour gas service and refining units. Food processing plants utilize for hygienic piping that resist pitting and contamination.

Hastelloy C22 vs SS 316 Pipe

The primary distinction between Hastelloy C22 and SS 316 is their corrosion performance. Alloy C22 Pipe is more resistant to oxidizing and reducing chemicals than SS 316. It works well in situations with chlorides, acids and seawater, while SS 316 pipe fails due to pitting or crevice corrosion. While SS 316 pipe is ideal for ordinary industrial use, Hastelloy C22 pipe is suitable for harsh conditions in chemical plants, marine systems and high-temperature applications.

Specification of Hastelloy C22 Pipes

Finish
Sizes in Stock

Seamless Pipe OD : ½″ NB – 12″ NB
Welded Pipe OD : ½″ NB – 24″ NB
EFW Pipe Size : 6″ NB – 24″ NB

ASTM Standard
Standard

ASTM B 622 ASME SB 622 / ASTM B 619 ASME SB 619

Process
Manufacturing Process

Seamless, ERW, Welded, Fabricated

Form
Form

Round, Square, Rectangular, Hydraulic Etc

Length
Length

Single Random, Double Random & Cut Length.

End Icon
End

Plain End, Beveled End, Treaded

Schedule
Schedule

SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS

Finish
Surface Finish

No. 2B – Mill finish / Matte finish, No. 4 – Brushed finish, No. 8 – Mirror finish, Bright Annealed – Smooth / Slightly reflective, Polished – Smooth / Enhanced corrosion resistance,Mirror – Highly reflective,

Types of Hastelloy C22 Pipes

Manufacturing Types

  • Seamless Pipe
    Seamless Pipe

    Weld-free, perfect for even strength and sizing precision.

  • Welded Pipe
    Welded Pipe

    Welded from flat-rolled steel, widely used where economy and large sizes are required.

  • ERW Pipe
    ERW Pipe

    Electric Resistance Welded (ERW) pipes provide neat, high quality weld seams and are ideal for medium-pressure applications.

  • EFW Pipe
    EFW Pipe

    Electric Fusion Welded (EFW) pipes are welded by fusion welding, usually applied in larger diameters and high-demand processes.

Pipe Forms

  • Round Pipe
    Round Pipe

    The most common shape for fluid and gas transport.

  • Square Pipe
    Square Pipe

    Used in architectural and structural applications requiring angular profiles.

  • Rectangular Pipe
    Rectangular Pipe

    Provides greater strength in load-bearing regions and flat structures.

  • Hydraulic Pipe
    Hydraulic Pipe

    Designed to provide precise dimensional control for fluid systems under pressure.

Contact Midland Alloys Inc. for Your Hastelloy C22 Pipes Needs

Contact us today to discuss how Hastelloy C22 Pipes can benefit your application. Whether you need guidance in selecting the right pipes or have specific requirements, our team of experts is here to help you find the optimal solution.

Technical Details & Delivery Condition

Hastelloy C22 Fe Ni P C Co Mo Si Mn S Cr
4 – 7 Balance 0.04 max 0.01 max 2.5 max 15 – 17 0.08 max 1.0 max 0.03 max 14.5 – 16.5
Density Yield Properties (0.2% Offset) Melting Point Elongation Tensile Properties
8.89 g/cm3 Psi – 52,000 , MPa – 355 1370 °C (2500 °F) 40 % Psi – 115,000 , MPa – 790
STANDARD WERKSTOFF NR. UNS OR EN GOST JIS
Hastelloy C22 2.4602 N06022 NiCr21Mo14W NW 6022

Hastelloy Pipes Grades We Offer

Manufacturing Process of Hastelloy C22 Pipes

Round Bar

Round Bar

arrow
Analytic

Analytic

arrow
Cut to Length

Cut to Length

arrow
Centering

Centering

arrow
Heating

Heating

arrow
Perforation

Perforation

arrow
Inspection of Size

Inspection of Size

arrow
Pickling

Pickling

arrow
Inspection of Surface

Inspection of Surface

arrow
Lubricating

Lubricating

arrow
Cold Drawing (Cold Rolling)

Cold Drawing (Cold Rolling)

arrow
Degreasing

Degreasing

arrow
Annealing

Annealing

arrow
Straightening

Straightening

arrow
Cut

Cut

arrow
Pickling / Passivating

Pickling / Passivating

arrow
Inspection

Inspection

arrow
Analytic

Analytic

arrow
Marking

Marking

arrow
Packing & Shipping

Packing & Shipping

Applications of Hastelloy C22 Pipes

Why Choose Midland Alloys Inc. for Alloy C22 Hot Finished Pipe

Midland Alloys Inc. is a trusted nickel alloy C22 seamless pipe supplier, delivering high-quality products worldwide. We provide certifications like ISO 9001:2015, PED 2014/68/EU, and EN 10204 3.1/3.2 Mill Test Certificates, along with full support for third-party inspections from TÜV, BV, SGS, and DNV. We work closely with engineering firms, EPC contractors, marine operators, and chemical plants, ensuring strict compliance with global standards. Every pipe go through in-house and third-party testing, including Hydrostatic, Ultrasonic (UT), Radiographic (RT), and PMI checks, along with tensile, hardness, flattening, and bend tests. We have repeat business from clients in the Middle East, Europe, and Southeast Asia. We ensure high quality alloy C22 nickel pipe and professionalism trusted worldwide.

Frequently Asked Questions About Hastelloy C22 Pipes

 Hastelloy C22 pipes handle temperatures up to around 1250°C. They remain stable even in fluctuating thermal conditions.

Yes. Hastelloy C22 can be welded using standard welding methods like GTAW and GMAW. Preheating is not required.

Typical thickness ranges from Schedule 5 to Schedule 160. Custom thicknesses are also available based on application needs.

Quick Quote Request

Our experts will get back within 24 hrs.